PROGRAMMING OF IAQRAE
4-13
4.2.4 Modify Span Gas Value
This function allows the user to change the span values of the
standard calibration gases.
1. When the “Modify Span Gas Value?” screen appear, press
[Y/+], and a list of enabled sensors will appear:
*CO
VOC
CO
2
RH
GO?
Temp
Use [MODE] to select the desired sensor, and the cursor
will advance to the next sensor; press [Y/+] to go to step 2.
2. The sensor span value and “Save?” will appear. Use [Y/+]
or [N/-] to change the digit values. Press [MODE] to move
to the next digit to the left. Repeat until all digits have been
entered. Press [MODE] to move the cursor to “Save?”
CO Span Value = 50
Save?
3. To confirm the new value, press [Y/+] to accept the
changes. Press [N/-] to discard the change and move to
the next sensor in the sensor selection display.
CO
*VOC
CO
2
RH
GO?
Temp
4. Repeat steps 1-3 until all desired sensor span gas values
have been modified.
5. To exit the Modify Span Gas menu, use [MODE] to move
the cursor to “GO?” and press [N/-].
